ArticleNature water2023
National hydrologic connectivity classification links wetlands with stream water quality.
Article in Nature water, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
11 citing papers in PubMed.
- Wetlands set the pace of annual runoff in the northern Great Plains.Communications earth & environment · 2026Article
- Gatekeeper wetlands govern nutrient pathways in a continental basin.Communications earth & environment · 2026Article
- The dynamic changes of eco-environmental quality in Dongting lake wetland during 1990-2020, China.Scientific reports · 2025Article
- Unveiling the Role of Wetland Strategies in Antibiotic Risk Reduction across China by Machine Learning.Environmental science & technology · 2025Article
- Non-Floodplain Wetlands Are Carbon-Storage Powerhouses Across the United States.Earth's future · 2025Article
- Stories of data sharing.Nature water · 2025Article
- Waterbody connectivity: Linking science and policy for improved waterbody protection.Bioscience · 2025Article
- Advancements in mapping areas suitable for wetland habitats across the conterminous United States.The Science of the total environment · 2024Article
- Climate change impacts on maternal health and pregnancy outcomes in Africa.Journal of water and health · 2024Review
- Water pollution 'timebomb' threatens global health.Nature · 2023Article
- Mapping global non-floodplain wetlands.Earth system science data · 2023Article
Corrections and comments
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Authors and funding
12 authors.
Funding
Abstract
Wetland hydrologic connections to downstream waters influence stream water quality. However, no systematic approach for characterizing this connectivity exists. Here using physical principles, we categorized conterminous US freshwater wetlands into four hydrologic connectivity classes based on stream contact and flowpath depth to the nearest stream: riparian, non-riparian shallow, non-riparian mid-depth and non-riparian deep. These classes were heterogeneously distributed over the conterminous United States; for example, riparian dominated the south-eastern and Gulf coasts, while non-riparian deep dominated the Upper Midwest and High Plains. Analysis of a national stream dataset indicated acidification and organic matter brownification increased with connectivity. Eutrophication and sedimentation decreased with wetland area but did not respond to connectivity. This classification advances our mechanistic understanding of wetland influences on water quality nationally and could be applied globally.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.